Finding the Fourth Proportional to 2,258,185.05, 3,384,653.18 and 909,680.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258,185.05 : 3,384,653.18 = 909,680.85 : x
2. Step 2: Convert to fraction form
   2,258,185.05/3,384,653.18 = 909,680.85/x
3. Step 3: Cross multiply
   2,258,185.05x = 3,384,653.18 × 909,680.85
4. Step 4: Simplify right side
   2,258,185.05x = 3,078,954,177,189.20
5. Step 5: Solve for x
   x = 3,078,954,177,189.20/2,258,185.05
6. Step 6: Final answer
   x = 1,363,464.07